D JURASSIC PERIOD BECAUSE THEY CAME UP WHEN DINOSAURS CAME
If he studied a small sample it wouldn't be a representative sample. since he got such a large sample there is a chance most likely all organisms follow the rules of evolution.
<u><em>Answer:</em></u>
<u><em>The correct option is </em></u><u><em>A</em></u>
Explanation:
The main adaptation of desert plants is to minimize water loss through their pores and also through the cell walls on their leaves. So the leaves of many desert plants have a thick covering that is coated with a waxy substance that allows them to seal in and protect what moisture they already have.
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If the heat is applied by open flame, the slow boil-off of alcohol vapor can burn off without exploding or igniting the leaf bath.
